Definition of base pair in English:

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base pair

noun

Biochemistry
A pair of complementary bases in a double-stranded nucleic acid molecule, consisting of a purine in one strand linked by hydrogen bonds to a pyrimidine in the other. Cytosine always pairs with guanine, and adenine with thymine (in DNA) or uracil (in RNA).
Example sentences
  • This package contains a number of substitution models for nucleotides and RNA base pairs.
  • Thymine glycol base pairs with A and results in a C T transition.
  • Instead, it can move within the transcription complex several base pairs upstream or downstream along the template strand.

For editors and proofreaders

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